JPH089014B2 - Paddy supply valve control device of paddy sorting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a hulling machine for selecting mixed rice of paddy / brown rice with a rotary sorting tube having a large number of potholes on the removing section and the inner peripheral surface. It can be used for sorting machines.

[Prior Art] Equipped with a removing unit and a grain sorting device for sorting mixed rice of paddy and brown rice by rotating a rotary sorting cylinder having a large number of potholes on the inner peripheral surface around the horizontal axis. There is a paddy sorting machine. Then, as in JP-A-61-242647, a finishing rice gutter is arranged in the rotary selection cylinder, and the grain amount is detected by a layer thickness detection tool provided on the supply side of the rotary selection cylinder. Then, when the grain amount is large (or small), the supply amount of the paddy supply control valve on the depulping side is decreased (or increased) to control the supply amount to the rotary selection cylinder for rotary selection. There are some that are trying to optimize the amount of grain in the cylinder.

Further, the invention of Japanese Utility Model Laid-Open No. 63-20949 discloses that when the grain amount is detected by a layer thickness detecting tool provided on the supply side in the rotary sorting cylinder, the grain amount is large (or small). Reduces (or increases) the supply amount of the paddy supply control valve on the side of the removing unit so as to control the supply amount to the rotary sorting cylinder in a related manner, and the detection layer thickness of the layer thickness detector is below a certain amount. In this case, the operator can independently adjust the paddy feed control valve by stopping the related control of the paddy feed control valve.

[Problems to be Solved by the Invention] In these conventional devices, when the bed thickness detector that detects the grain amount of the rotary selection cylinder operates, the paddy supply control valve of the removing unit operates in a related manner. When the opening of the paddy supply control valve is increased (decreased) in order to increase (decrease) the work efficiency, the amount of grains in the rotary selection cylinder increases (decreases) and the layer thickness detector increases the amount of grains (small). Is detected, the related control is performed so as to narrow (widen) the opening of the paddy supply control valve in the removing section, and if the worker desires high (low) efficiency, insufficient supply of the removing section (excessive)
However, there is a problem that the control reference value of the layer thickness detecting device is corrected to be large or small depending on the type of the paddy and the related control between the layer thickness detecting device and the paddy supply control valve cannot be performed.

Therefore, the present invention eliminates such problems,
A layer thickness detector that detects the amount of grains in the rotating sorting cylinder, and a paddy supply control valve in the removing unit that is related to the hulling and sorting machine that controls the rotation according to the operator's desired efficiency. The layer thickness detector of the sorting cylinder and the paddy supply control valve of the stripping section are controlled in association with each other so that the type of product can be changed and the drawbacks of the conventional device are eliminated. is there.

[Means for solving problems]

The technical means of the present invention for solving such a technical problem comprises a removing unit 1 for hulling, and a large number of potholes formed on the inner peripheral surface thereof, to rotate mixed rice while rotating around a horizontal axis. A rotary sorting cylinder 11 for sorting, a finishing rice gutter 16 installed in the rotary sorting cylinder 11 for receiving brown rice, and a flow of grains formed on the pumping side rotating from below the rotary sorting cylinder 11 to above. A layer thickness detector 24 for detecting the layer thickness, a paddy supply control valve 27 provided in the depulling unit 1 for adjusting the amount of grain supplied to the dep roll, and a grain of the layer thickness detector 24 Related grain supply control means for relatedly increasing or decreasing the paddy supply control valve 27 in relation to increase / decrease detection, work efficiency setting means 32 for setting the efficiency of hulling and sorting work to high and low, and the work efficiency. In relation to the setting of the efficiency in the setting means 32, the control standards of the paddy supply control valve 27 and the layer thickness detector 24 are both set to high. Resides in that the configuration of the supply amount control apparatus for hulling sorter comprising a control reference value correcting means for changing correction.

[Advantageous effects of the invention]

Based on the detection result of the layer thickness detector 24 of the rotary sorting cylinder 11, the opening degree of the paddy supply control valve 27 of the removing unit 1 is relatedly controlled and controlled so that the smoothing and sorting operation can be performed smoothly. When the operator sets the efficiency of the work efficiency setting means 32 to a high or low level according to the desired efficiency by changing the type of paddy, the paddy supply control valve of the removing unit 1 is set according to the desired work efficiency.
27 and the control standard of the layer thickness detector 24 on the rotary selection cylinder 11 side are both changed.

Then, in the case of hulling and sorting the paddy that increases the sorting efficiency in the rotary sorting cylinder 11, by setting the efficiency of the work efficiency setting means 32 to a large value, the detection layer thickness of the layer thickness detector 24, and the work While comparing the reference value corrected and corrected to a large efficiency, the paddy supply control valve 27 of the removing unit 1 whose reference value is changed and corrected to a large work efficiency is controlled in relation to the closing side or the opening side, While preventing the hunting adjustment of the paddy supply control valve 27, it is possible to smoothly perform the paddy sorting operation based on the efficiency desired by the operator.

〔Example〕

Embodiments of the present invention shown in the drawings will be described below.

First, the configuration of the embodiment will be described. 1 is a depuffing section, which is a paddy hopper 2, a pair of depuffing rolls 3, 3
Etc. Reference numeral 4 denotes a scraped rice wind selection path, which selects the scraped rice from the removing unit 1 by the sorting wind generated by the suction fan 5 in the front, and removes the rice husks from the suction fan 5 to the dust pipe 6
After being discharged to the outside of the machine, the mixed rice of brown rice and paddy is dropped and sorted to the sliding-down rice receiving gutter 7 below. The mixed rice dropped on the scraped rice receiving gutter 7 is conveyed to the starting end portion of the supply gutter 14 on the rotary selecting cylinder 11 side through the mixed rice hopper 9 on the rotary selecting cylinder 11 side.

Reference numeral 10 denotes a sorting case. Inside the sorting case 10, a rotation-side sorting cylinder 11 having a large number of potholes formed on its inner peripheral surface is provided so as to rotate around a horizontal axis. The right side) and the discharge side end (the left side in FIG. 1) are rotatably supported by the drive rollers 12, 12. In this rotary sorting cylinder 11,
A supply gutter 14 having a supply helix 13 and a finished rice gutter 16 having a finished rice spiral 15 are laid horizontally.

When arranging the supply gutter 14 and the finished rice gutter 16 in the rotary selection cylinder 11, as shown in FIG.
On the pumping side that rotates from below to above the rotary sorting cylinder 11,
Further, the finished rice gutter 16 is arranged on the side of rotating from the upper side to the lower side of the rotary selection cylinder 11, and the mixed rice pumped up by the pot hole of the rotary selection cylinder 11 falls into the supply gutter 14 and the supply spiral 13 It is configured to be transferred to the end side of the supply gutter 14 and the supply gutter 14 also functions as a mixed rice receiving gutter.

The discharge side end of the finished rice gutter 16 is communicated with the finished rice receiving trough 19 through the finished rice falling barrel 17 and the finished rice flowing grain board 18, and the finished rice is the finished rice falling barrel 17 and the finished rice flowing. The brown rice, which has been wind-selected while falling through the grain board 18 to the finished rice trough 19, flows down to the finished rice trough 19 is taken out of the machine via the finished rice lifting machine 20.

Below the discharge side end of the rotary sorting cylinder 11, a paddy receiving gutter 21 is disposed, and the grain mainly composed of the sorted paddy discharged from the sorting end side of the rotary sorting cylinder 11 is a grain lifting machine. It is configured to be returned to the removing unit 1 via the reducing hopper 23.

24 is a layer thickness detector, the layer thickness detector 24 is axially supported on a layer thickness detection shaft 25 along the axis selection direction of the rotary sorting cylinder 11, and the grains to be sorted in the rotary sorting cylinder 11 It is rotated up and down while contacting the upper surface of the, and detects an increase or decrease in the amount of grains to be sorted in the rotary sorting cylinder 11. A layer thickness potentiometer 26 is attached to the end of the layer thickness detecting shaft 25.

The paddy supply control valve 27 on the removing unit 1 side is configured to be open / close adjustable, and a paddy supply potentiometer 28 is attached to a shaft portion 27a of the paddy supply control valve 27. Reference numeral 29 denotes a reduced grain detector that detects the grain and the amount of grain that are reduced by the paddy grain machine 22 to the depulping unit 1. Reference numeral 30 denotes a paddy supply control motor that adjusts the paddy supply control valve.
The normal rotation or the reverse rotation of the paddle adjusts the opening and closing of the paddy supply regulating valve 27 via the adjusting screw rod 31. Reference numeral 32 denotes a work efficiency setting means provided in the paddy supply potentiometer 28, which can set the work efficiency to high, medium or low.

Then, the detection information of the layer thickness potentiometer 26, the paddy supply potentiometer 28 and the reduced grain detector 29 is, via the input interface 33, an arithmetic control unit 34 having a memory function, an arithmetic function and a control function (hereinafter simply referred to as CPU. This is a configuration that is input to.

 Next, the control content of the CPU 34 will be described.

When ON of the start switch (not shown) is input to the CPU 34, until the reduced grain detector 29 detects the reduced grain,
That is, until the slid-off rice of the removing unit 1 is supplied to the rotary sorting cylinder 11 and the grains after sorting are discharged from the sorting end side, the paddy supply control valve 27 is set to a small opening, for example, standard. A command signal to set the opening or a smaller opening is sent to the paddy supply relay 36 via the output interface 35, the paddy supply control motor 30 rotates forward, and the paddy supply control valve 27 is adjusted to a small opening. It

Next, when the reduced grain detector 29 detects the reduction of grains, that is, the scraped rice of the depulling unit 1 is supplied to the rotary sorting cylinder 11 to start flowing from the sorting start end side and from the sorting end side. When the sorted grains are discharged and the grains to be sorted are spread over the entire area of the rotary sorting cylinder 11, the layer thickness detector is as follows.
Shift to automatic control based on 24 detection results. That is, a. The detection information of the layer thickness detector 24 is compared with the setting reference information, and when the detection information is larger in grain layer thickness than the reference information, the reverse rotation drive signal is output from the CPU 34 in the interface 3
It is sent to the paddy supply relay 37 via 5 and the paddy supply control motor 30
Reversely rotates and controls the paddy supply control valve 27 to the decreasing side, and b. The detection information of the layer thickness detector 24 is compared with the set reference information, and the detection information is the grain rather than the reference information. When the layer thickness is small, the normal rotation drive signal is sent from the CPU 34 to the paddy supply relay 36 via the output interface 35, and the paddy supply control motor is supplied.
30 rotates in the forward direction, and controls the paddy supply control valve 27 to increase.

When the work efficiency setting means 32 provided in the paddy supply potentiometer 26 is switched to one of high, medium, and low work efficiency, the control reference information of the paddy supply control valve 27 incorporated in the CPU 34 becomes large. , Medium, or small (the large, medium, or small of this reference information serves as a reference for the initial opening of the paddy supply control valve 27), and in relation to this, the layer thickness potentiometer. The 26 pieces of control reference information are also switched to large, medium, or small. Therefore, the above-described automatic control is controlled by any one of large, medium, and small of the switched control reference information. The work efficiency setting means 32 for switching the reference information may be provided separately in the paddy supply potentiometer 28 and the layer thickness potentiometer 26, or the efficiency setting means 32 may be directly input to the CPU 34. Good.

Next, the operation of the embodiment will be described. When performing the hulling operation, the raw hull is supplied to the hull hopper 2 to drive the rotating parts of the hull sorting machine. Then, the paddy supplied from the paddy hopper 2 to the tapping unit 1 is subjected to the tapping action, the scraped rice is wind-selected by the slide-down rice wind selecting path 4 below, and the chaff is discharged from the dust container 6 to the outside of the machine. Is discharged. The mixed rice of brown rice and paddy is dropped and supplied to the slide-down rice receiving gutter 7 and is lifted and supplied to the start end side of the supply gutter 14 on the rotary selection cylinder 11 side through the mixed rice hopper 9 through the mixed rice hopper 9. , Supply gutter 14
It is supplied to the supply side end of the rotary selection cylinder 11 by the supply spiral 13 inside.

Next, the mixed rice is pumped up by the pot hole of the rotary selection cylinder 11 rotating clockwise in FIG. 2, and the brown rice with a short grain length is pumped up high and falls into the finishing rice gutter 16 and the grain length is long. The paddy and some brown rice are pumped low and fall into the supply gutter 14 for sorting. The unsorted mixed rice that has fallen into the supply gutter 14 is again supplied from the transport end portion of the supply gutter 14 into the rotary sorting cylinder 11 by the supply spiral 13 and is re-sorted.

The finished rice dropped on the finished rice gutter 16 is the finished rice spiral.
It is conveyed to the finished rice falling down cylinder 17 at 15, is selected by the sorting wind while falling through the finished rice falling grain plate 18 to the finished rice receiving trough 19, and is taken out of the machine at the finished rice lifting machine 20. .

The paddy after the sorting sent to the discharge side end of the rotary sorting cylinder 11 is
It flows down to the lower paddy receiving gutter 21, is fried by the paddy grain lifting machine 22, passed through the reducing paddy hopper 23, and returned to the removing unit 1, and again the removing unit 1
It is the one that receives the removal action.

As described above, the hulling and sorting work is performed, but in the normal sorting state, at the time of the sorting work in the rotary sorting cylinder 11, the grain amount to be sorted in the rotary sorting cylinder 11 is detected as the layer thickness. While detecting with the tool 24, corresponding to the increase or decrease in the amount of grains to be sorted,
The control command signal from the CPU 34 is output to the paddy supply control motor 30 via the output interface 35 and the paddy supply relays 36, 37, and the opening degree of the paddy supply control valve 27 on the removing unit 1 side is closed or open. To control the supply amount of the grains to be sorted to the rotary sorting cylinder 11 to the decreasing side or the increasing side, and perform the hulling sorting work while properly maintaining the amount of the grains to be sorted in the rotating sorting cylinder 11. It is a thing.

When the start switch (not shown) is turned on at the start of the paddy sorting operation, the paddy supply control valve 27 is slightly opened from the start of the work until the reducing grain detector 29 detects the reducing grain. The CPU 34 outputs a command signal to set the paddy supply control motor 30 to the paddy supply control motor 30, the paddy supply control valve 27 supplies the paddy to the removing unit 1 with a small opening degree, and the rotary selecting cylinder 11 selects a small amount of the selected grains. It is possible to prevent a large amount of grains to be sorted from being fed to the rotary sorting cylinder 11 at the start of the work, and to improve the sorting accuracy.

In addition, the switching to the automatic control of the paddy supply control valve 27 is related to the reduction grain detector 29 detecting the reduction grains to be reduced from the sorting end side of the rotary sorting cylinder 11 to the removing unit 1. Therefore, depending on the water content or the type, even if there is a difference in the sorting flow state in the rotary sorting cylinder 11, it is possible to accurately know that the grains to be sorted have spread to the sorting end side of the rotary sorting cylinder 11, The sorting accuracy can be improved.

When the work efficiency setting means 32 is switched to any of the work efficiency desired by the worker, large, medium, or small, the control reference information of the paddy supply control valve 27 built in the CPU 34 is large, medium, or small. , And the control reference information of the layer thickness potentiometer 26 is switched to any one of large, medium and small.

That is, when the efficiency is set high, as shown in FIG.
The layer thickness detector 24 detects the size of the layer thickness based on the position (a), and the paddy supply control valve 27 adjusts the amount of the supply amount based on the position (a), which reduces the efficiency. Once set,
Both the layer thickness detector 24 and the paddy supply control valve 27 are controlled with reference to the position (b).

Therefore, the automatic control described above is controlled by any of the switched control reference information, which is large, medium, or small.
The layer thickness detector 24 and the paddy supply control valve 27 of the removing unit 1 can be associated with each other based on the work efficiency desired by the operator.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a cut side view, FIG. 2 is a cut rear view, FIG. 3 is a cut front view, and FIG. 4 is a working state. , FIG. 5 is a block circuit diagram. Explanation of reference numerals 1 …… Peeling part, 2 …… Rice hopper 3 …… Peeling roll, 4 …… Scraping rice wind selection path 5 …… Suction fan, 6 …… Dust collecting tube 7 …… Scraping rice receiver Gutter, 8 …… Mixed rice fried machine 10 …… Sorting case, 11 …… Rotating sorting cylinder 12 …… Drive roller, 13 …… Supply spiral 14 …… Supply gutter, 15 …… Finishing rice Helix 16 …… Finishing rice Gutter, 17 …… Finished rice flow down cylinder 18 …… Finished rice flow grain plate, 19 …… Finished rice receiving gutter 20 …… Finished rice fried machine, 21 …… Paddy receiving gutter 22 …… Paddy fried machine, 23… … Reduction hopper 24 …… Layer thickness detector, 25 …… Layer thickness detection shaft 26 …… Layer thickness potentiometer 27 …… Paddy supply control valve, 27a …… Shaft part 28 …… Paddy supply potentiometer 29 …… Reduced grain detection Equipment, 30 …… Paddy supply control motor 31 …… Adjusting screw rod, 32 …… Work efficiency setting means 33 …… Input interface 34 …… Arithmetic control unit (CPU) 35 …… Output interface 36 …… Paddy supply relay 37 ...... rice supply relay

Claims (1)

[Claims] 1. A removing unit 1 for hulling, a rotary sorting cylinder 11 having a large number of potholes formed on the inner peripheral surface thereof for sorting mixed rice while rotating around a horizontal axis, and the rotary sorting cylinder 11. Finished rice gutter 16 that is installed inside and receives brown rice, and a layer thickness detector 24 that detects the fluidized bed thickness of the grain formed on the pumping side that rotates from below to above the rotary selection cylinder 11, and The paddy supply control valve 27 provided in the depulling unit 1 for adjusting the amount of grain supplied to the dep roll and the paddy supply control valve 27 in association with the grain increase / decrease detection of the layer thickness detection tool 24 Relevant grain supply adjusting means for reducing and increasing related, work efficiency setting means 32 for setting the efficiency of hulling and sorting work to high and low, and in relation to setting of high and low efficiency in the work efficiency setting means 32 A paddy comprising a control reference value correction means for changing and correcting both the control reference of the paddy supply control valve 27 and the control reference of the layer thickness detector 24. Supply amount control apparatus of sorter.